Hose or pipe mender.



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GEORGE B. MCOREARY, OF INDIANAPOLIS, INDIANA.

HOSE OR PIPE IVIENDER.

tra. 847,594.

Speeiiicaticn of Letters Patent.

Patented March 19` 1907.

Application led November 5, 190B. Serial No. 342,006.

To (LZ/x 'LU/tom, t may concern:

Be it known that I, GEORGE B. MCCREARY, a citizen of theUnited States,residing at In-` dianapolis, in the county of Marion and State ofIndiana, have invented certain new and useful Improvements in Hose orPipe Menders, of which the following is a specification.

The object of my invention is to produce a device for closing breaks inpipesor hose, the structure being especially adapted for application tobroken pipes which either by reason of their position or by reason ofthe material passing out through the break are inac# cessible.

The accompanying drawings illustrate my invention.

Figure 1 is a perspective view of my device with the applying holder inposition.

Fig. 2 is a sectional detail, and Fig. 3 a detail of a modification. A

In the drawings, 10 and 11 indicate a pair of mating semitubular membersprovided upon their inner faces with suitable packingstrips 12. Members10 and 11 are provided with coperating extensions 10 and 11. Re tatablymounted in the member 10 is a bolt 13, provided with, a threaded shank13, threaded through the extension 11 of the member 11, the arrangementbeing such that when the bolt 13 is turned the two members 10 and 11will be drawn together or forced' apart. In order to serve as a guidefor the two members 10 and 11 and keep their semitubular portions inalinement, I provide the extension 10 with a guide-pin 14, which eX-tends through a suitable o ening formed in the extension 11C In orc erto apply the clamp, I provide a holder 20, of any desired length, saidholder having at one end a head 21, having threads 22 adapted to receivea threaded extension 13 of bolt 13. The threaded extension 13 ispreferably formed upon the same end of bolt 13 as the threaded portion13', and if this is done the threads 13 should be opposite to thethreads 13', so that by screwing head' 21 upon the threads 13 the entiremending-clamp may be held and shifted about by the holder 20, and byrotating the holder in the direction of screwing the same tighter uponthe threads 13 the bolt 13l will be rotated in such direction as tocause the threads 13 to draw the two members 10 and 11 together. Thethreaded portion 13 may be formed upon the opposite end of the bolt 13,as illustrated in Fig. 3,

and in this case the threads would run in the same direction as thethreads 13.

Vhen considerable force is necessary in order to clamp the members 10and 151 upon the pipe, there is of course a tendency to crowd the head 21 so tightly upon the threads 13 that in attempting to unscrew the head21 the bolt 13 would be turned in a reverse direction, thus looseningthe members 10 and 11 on the pipe being mended. rIhis would of course beundesirable, and in order to prevent such action I make the head 21 andholder 2O hollow and mount within head 21 a movable abutment 24. Theabutment 24 is carried upon the threaded end 25 of a shaft 25 journaledin the holder 20 and held against axial movement therein by a collar 25and a cap 26. Shaft 25 at its outer projected end .is operated with ahead 27, by means of which it may be turned.

In operation the bolt 13 is turned until the members 10 and 11 areseparated sufficiently to permit the said members to be slippedtransversely over a pipe 30. The head 21 of holder 20 is then screwedupon threads 13, the end of the portion carrying these threads comingagainst the end of the abutment 24. The holder 20 being of sufficientlength the device may then be slipped over the pipe 30, even though thepipe be at a considerable distance, and the device then moved until oneof its members-say the member 10-is seated upon the pipe. Thereupon theholder 20 is turned in a direction whichtends to screw it more tightlyupon the threads 13, and this motion causes the bolt 13 to turn in suchdirection as to draw the member 11 toward the member 10, so that by thismeans the two members 10 and 11 may be tightly Vclamped upon the pipe.Thereupon the operator by turning the head 27 turns shaft 25 in. suchdirection as to 'draw the abutment 24 away from the inner end of thethreaded portion 13, thus loosening the holder upon said threadedportion, whereupon the head may be readily drawn off from the threadedlportion 13 without disturbing the bolt 13.

I claim as my invention- 1. A mending-clamp for pipes, comprising acoacting pair of members adapted to receive the pipe, a threaded boltadapted to draw said members together, said threaded bolt having asecondary threaded portion so arranged relative to the main threadedp0rtion that a member screwed thereon will tend IOC to rotate the boltin such direction as to draw the two members together.

2. A mending-clamp for pipes comprising a coacting pair of membersadapted to receive the pipe, a threaded bolt adapted to draw saidmembers together, said threaded bolt having a secondary threaded portionof opposite pitch formed at` one end of the bolt, for the purpose setforth.

3. The combination, with a mendingclamp for pipes comprising a coactingpair of members adapted to receive the pipe, a threaded bolt adapted todraw said members together, said threaded bolt having a secondarythreaded portion so arranged relative to the main threaded portion thata holder screwed thereon will tend to rotate the bolt in such directionas to draw the two members together, of a holder for said clamp, saidholder having a threaded head adapted to received the secondary threadedportion of the bolt.

4. The combination, with a mendingclamp for pipes comprising a coactingpair of members adapted to receive .a pipe, a threaded bolt adapted todraw said members together, said threaded bolt having a secondarythreaded portion so arranged relative to the main threaded portion thata holder screwed thereon will tend to rotate the vbolt in such directionas to draw the two members together, of a holder for said clamp,

'said holder having a threaded head adapted to receive the secondarythreaded portion of theV bolt, a movable abutment carried by said holderin position to receive the thrust from the secondary portion of thebolt, and means for backing said abutment away from said secondaryportion.

5. The combination, with a mendingclamp for pipes comprising a coactingpair of members adapted to receive the pipe, and a threaded bolt adaptedto draw said members together, said threaded bolt having a secondarythreaded portion so arranged relative to the main threaded portion thata holder screwed thereon will tend to rotate the bolt in such directionas to draw the two members together, of a holder for said clamp, said'holder having a threaded head adapted to receive the secondary threadedportion of the bolt, an abutment mounted withinsaid holder in positionto receive the thrust from the secondary portion of the bolt, a shaftjournaled in the holder and having a threaded connection with saidabutment whereby said abutment may be backed away from the bolt.

6. The combination. with a mendingclamp comprising a coacting pair ofmembers adapted to receive the pipe, and a threaded bolt adapted to drawsaid members together, said threaded bolt having a seetmdary threadedportion of opposite pitch formed at one end of the bolt, of a holderhaving a threaded head adapted to receive said secondary threadedportion, for the purpose set forth.

7. The combination, with a mendingclamp comprising a coacting pair ofmembers adapted to receive the pipe, and a threaded bolt adapted to drawsaid members together, said threaded bolt having a secondary threadedportion of opposite pitch formed at one end of. the bolt, of a holderhaving a threaded head adapted to receive said seeondary portion, amovable abutment carried by said holder in position to receive thethrust from said secondary threaded portion of the bolt, and means forbacking said abut ment away from the bolt.

8. The combination, with a mendingclamp comprising a coacting pair ofmembers adapted to receive the pipe, and a.threaded bolt adapted to drawsaid members together, said threaded bolt having a secondary threadedportion of opposite pitch formed at one end of the bolt, of a holderhaving a threaded head adapted to receive said secondary threadedportion, a movable abutment mounted within said holder in position toreceive the thrust from the secondary por tion of the bolt, and a shaftrotatably mounted within the holder and having a threaded connectionwith said abutment whereby the abutment may be backed away from thesecondary portion of the bolt.

In witness whereof I have hereunto set my hand and seal, atIndianapolis, Indiana, this 2d day of November, A. l). 1906.

GEORGE n. melanin. Ik.. el Witnesses ARTHUR M. Hoon, THoMAs W.ivioMnANs.

